22.240Level 522.24Manufacture of builders’ ware of plastic22.24001Manufacture of vats, tanks and reservoirs22.24002Manufacture of floor, wall and ceiling coverings, insulating or not, in rolls, slabs, tiles, etc.22.24003Manufacture of plastic products for sanitary ware: bathtubs, showers, sinks, bidets, water closet bowls, flush tanks, etc.22.24004Manufacture of linoleum and rigid plastic floor coverings